Question

need proper detailed solution

Answer 1

Hi ...dear.....
here is your answer....!!
..as we know that distance of object is negative in case of both spherical mirror..but
for convex lens distance of object should be taken as positive....!!!! Because it's make an imaginary image...
now simply apply the formula of lens....
...see picture!!

.

Hope it helped you!!
Regards Brainly Star Community
#shubhendu